https://www.live-feeds.com/feed/the-subterranean-battle-playing-out-deep-in-ukraine-s-soviet-era-pipelinesContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/the-subterranean-battle-playing-out-deep-in-ukraine-s-soviet-era-pipelineshttps://www.live-feeds.com/feed/the-subterranean-battle-playing-out-deep-in-ukraine-s-soviet-era-pipelines#u155837Mon, 26 Oct 2026 10:16:27 +0000Ukrainian forces have infiltrated Russian rear positions near Kupiansk by moving through Soviet-era gas pipelines in an operation dubbed Operation Veles. Troops advanced 15 kilometers behind enemy lines through subterranean routes measuring 1.2 meters wide. Ukrainian units conducted close-range firefights inside the confined infrastructure to bypass heavily defended surface fortifications. Participating formations in the clandestine assault include the Khartiia brigade and the Skelia Regiment. This underground infiltration represents a novel tactical maneuver in the ongoing conflict, utilizing